>2xkqK (K:) observed residues (from ATOM records)
sladskavlnqavadlsvahsilhqvhwymrgrgfmiwhpkmdeymeeidgyldemserl
itlggapfstlkefsensqlkevlgdynvtieeqlarvvevfrylaalfqkgfdvsdeeg
dsvtndifnvakasiekhiwmlqaelgqapkl